As the financial, commercial, and entertainment capital of India, Mumbai is the engine of the nation's economy, accounting for a significant portion of its GDP and capital flows.
* **Business Districts**: The traditional hubs are Nariman Point and Fort in South Mumbai. However, the centre of commercial gravity has shifted significantly to the Bandra Kurla Complex (BKC) and Lower Parel. * **Major Sectors**: Banking and finance, IT, gems and jewellery, textiles, entertainment (Bollywood), and maritime trade. * **Economic Institutions**: The city is home to the Reserve Bank of India (RBI), the Bombay Stock Exchange (BSE), and the National Stock Exchange (NSE). * **Shopping**: High-end retail is anchored by malls like Palladium, Jio World Drive, and Phoenix Marketcity, existing alongside historic, bustling markets like Crawford Market, Colaba Causeway, and Zaveri Bazaar.

